What is Magnesium Nitride
What is Magnesium Nitride?
Magnesium Nitride is an inorganic molecule with the chemical formula Mg3N2. It's particulate matter that is part of the quantum system of cubic crystals. At temperatures at room temperature, pure magnesium nitride is a yellow-green powder however, magnesium nitride that contains an element of magnesium oxide impurities appears grayish white.
The Molar mass of magnesium nutride is 100.95g/mol. The density of the mineral is 2.712g/cm3. Magnesium nitride is completely dissolved in water and acid, but it is partially dissolved in ether and ethanol.
The melting point for magnesium nitride is 1500 degrees. Magnesium Nitride, along with other metal nitrides, reacts with water to produce ammonia. Sometimes, it is used as catalyst. They react with acid or nonmetallic oxides in order to produce ammonium salts and magnesium salts.
Magnesium Nitride is a form of ceramic in nature. Magnesium Nitride has a high corrosion resistance and greatly improves the efficiency of production. Magnesium nitride also has high thermal conductivity as well being high corrosion resistance as well as resistance to temperature. Magnesium is also of great importance due to its usage as a catalyst for the synthesizing of boron.
What is Magnesium Nitride used for?
1. Use as a catalyst to you are preparing the nitride of other elements with high hardness and high thermal conductivity. It also provides corrosion resistance, wear resistance and high temperature resistance. In the first successful chemical synthesis of cubic-boron nitride, an active catalyst came from magnesium nitride.
2. Used for high strength steel for smelting. Magnesium Nitride (Mg3N2) replaces desulphurized magnesium used in construction steel in smelting. This helps in increasing the density strength tension, and bearing strength of steel. In addition, the use of magnesium Nitride (Mg3N2) desulfurizationcould decrease the amount of other additives, which can help reduce the production cost of construction steel.
3. Useful for preparing special ceramic materials;
4. For the production of a special alloy foaming agent
5. Special glass for manufacturing;
6. Crosslinking of catalytic polymers;
7. To reuse nuclear waste
How Do You Produce Magnesium Nitride?
Presently, the major methods for making magnesium nitride consist of direct reaction method for magnesium powder using nitrogen, the reaction method of magnesium and nitrogen in nitrogen plasma flow as well as the method for the explosion of magnesium coils in nitrogen atmosphere Chemical gas at low pressure in conjunction with the product method, self-propagating high temperature synthesis method, nano magnesium nitride synthesizer, etc.
Recently, G. Soto et al. created amorphous magnesium Nitride films with different Mg:N ratios Si substrates in a molecular nitrogen-filled environment through pulse laser deposition. This method limits their production for industrial use due to their high costs, the lengthy process complex operation of equipment or low yields of magnesium nitride.
Although the direct reaction of magnesium powder with nitrogen holds commercial value, the manufacture of magnesium nitride-based powder requires higher temperature for the reaction and a long reaction time. Also, the shape of the particles is not clear and easy to agglomerate, which isn't able to meet requirements of industrial quality. In the case of NH3, it can be broken down into Nbreaking bonds quicker than N2 and the decomposed H2 could interfere with the formation process of MgO, which is why ammonia gas can be used as the nitrogen source. Chen Faqin et al. employed liquid ammonia as a nitrogen source to make magnesium nitride material by direct Nitriding of magnesium powder. The following conclusions can be drawn: Through thermodynamic analysis, liquid ammonia is able to react with magnesium powder more readily than nitrogen in the preparation of magnesium nitride; High quality magnesium nitride in good purity and uniform particles can easily be prepared at 600 and ammonia pressure for 1h, then heated to 800°C, with an ammonia flow rate is 500ml/min. an nitriding duration of 1h.
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